Home / 4,838.61-6,675.03-2,847.90

Finding the Fourth Proportional to 4,838.61, 6,675.03 and 2,847.90

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Solution

The fourth proportional to 4,838.61, 6,675.03 and 2,847.90 is: 3,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.61 : 6,675.03 = 2,847.90 : x
  2. Step 2: Convert to fraction form
    4,838.61/6,675.03 = 2,847.90/x
  3. Step 3: Cross multiply
    4,838.61x = 6,675.03 × 2,847.90
  4. Step 4: Simplify right side
    4,838.61x = 19,009,817.94
  5. Step 5: Solve for x
    x = 19,009,817.94/4,838.61
  6. Step 6: Final answer
    x = 3,928.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.